silver-lace n shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum Usage(s) By the time Dan Phillips reached the barn with his shotgun, the mink had already seized one of his prized silver-lace chickens in a death grip. Synonym(s) dusty miller silver lace Tanacetum ptarmiciflorum Chrysanthemum ptarmiciflorum